JP2016120979A - Winch drum - Google Patents

Winch drum Download PDF

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JP2016120979A
JP2016120979A JP2014260443A JP2014260443A JP2016120979A JP 2016120979 A JP2016120979 A JP 2016120979A JP 2014260443 A JP2014260443 A JP 2014260443A JP 2014260443 A JP2014260443 A JP 2014260443A JP 2016120979 A JP2016120979 A JP 2016120979A
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wire rope
winding drum
wedge
fixing
drum
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JP6391460B2 (en
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高好 奥村
Takayoshi Okumura
高好 奥村
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Nippon Sharyo Ltd
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Nippon Sharyo Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a winch drum capable of easily fixing an end portion of a wire rope regardless of a diameter of the wire rope.SOLUTION: A winch drum 31 includes: a cylindrical winding drum which winds up a wire rope 36 on an outer peripheral portion, and is equipped with a wedge-shaped space portion 33a at one end inner peripheral portion; flange portions 34 and 35 provided at both end portions of the winding drum 33; and a wire rope fixing member 37 which fixes an end portion of the wire rope 36. The wire rope fixing member 37 integrally couples a pair of half-split brackets 37a and 37b divided into two in semicircular shapes surrounding the outer peripheral portion of the winding drum 33 by a bolt 38, and is arranged on an inner side of the flange portion 34. One half-split bracket 37a is provided with a wire rope insertion groove, a fixing plate 37d covering an opening side of the wire tope insertion groove and fixing the wire rope 36, and a positioning piece 37e engaged with the wedge-shaped space portion 33a, and making the wire rope fixing member 37 abut on the inner side of the flange portion 34.SELECTED DRAWING: Figure 1

Description

本発明は、ウインチドラムに関し、詳しくは、クレーンや杭打機、アースドリルなどの建設機械に使用されるワイヤロープ巻取用のウインチドラムに関する。   The present invention relates to a winch drum, and more particularly to a winch drum for winding a wire rope used in a construction machine such as a crane, a pile driver, and an earth drill.

従来、各種建設機械に使用されているロープ巻取用のウインチドラムでは、一般に、ワイヤロープを巻き取る円筒状の巻胴の両端部にフランジ部が設けられるとともに、巻胴の内部に、ワイヤロープの端部を巻き付けた楔部材を固定する楔状空間部が形成されており、ワイヤロープの端部は、楔部材に巻回して楔状空間部に押し込むことにより巻胴に固定されていた（例えば、特許文献１参照。）。   Conventionally, a winch drum for winding a rope used in various construction machines is generally provided with flange portions at both ends of a cylindrical winding drum for winding a wire rope, and a wire rope inside the winding drum. A wedge-shaped space portion for fixing the wedge member around which the end portion of the wire rope is wound is formed, and the end portion of the wire rope is fixed to the winding drum by being wound around the wedge member and being pushed into the wedge-shaped space portion (for example, (See Patent Document 1).

特開２００６−３４７６８０号公報JP 2006-347680 A

しかし、上述の特許文献１のものでは、径の太いワイヤロープの場合、ワイヤロープの端部を楔部材に巻回させるのが困難で、ワイヤロープを楔部材に巻回して楔状空間部に押し込むのに手間が掛かっていた。   However, in the above-mentioned Patent Document 1, in the case of a wire rope having a large diameter, it is difficult to wind the end of the wire rope around the wedge member, and the wire rope is wound around the wedge member and pushed into the wedge-shaped space portion. It took time and effort.

そこで本発明のウインチドラムは、ワイヤロープの径に関わらず、ワイヤロープの端部を容易に固定することができるウインチドラムを提供することを目的としている。   Accordingly, the winch drum of the present invention aims to provide a winch drum that can easily fix the end of the wire rope regardless of the diameter of the wire rope.

上記目的を達成するため、本発明のウインチドラムは、外周部でワイヤロープを巻き取り、一端内周部に楔状空間部を備えた円筒状の巻胴と、該巻胴の両端部に設けられたフランジ部と、ワイヤロープの端部を固定するワイヤロープ固定部材とを備えたウインチドラムにおいて、前記ワイヤロープ固定部材は、前記巻胴の外周部を囲繞する半円状に２分割された一対の半割ブラケットを、連結部材にて一体に連結して前記フランジ部の内側に配設され、いずれか一方の半割ブラケットに、前記ワイヤロープの端部を挟んで固定する一対の固定板を設けるとともに、いずれか一方の前記半割ブラケットに、前記楔状空間部に係合する位置決め片を設けたことを特徴としている。   In order to achieve the above object, the winch drum of the present invention is provided with a cylindrical winding drum that winds a wire rope at the outer peripheral portion and has a wedge-shaped space portion at one inner peripheral portion, and both ends of the winding drum. A winch drum having a flange portion and a wire rope fixing member for fixing an end portion of the wire rope, wherein the wire rope fixing member is divided into a pair of semicircular shapes surrounding the outer periphery of the winding drum. A pair of fixing plates that are integrally connected by a connecting member and disposed inside the flange portion, and are fixed to either one of the half brackets with the end portion of the wire rope interposed therebetween. And a positioning piece that engages with the wedge-shaped space is provided on one of the half brackets.

本発明のウインチドラムによれば、ワイヤロープ固定部材の一対の固定板に、ワイヤロープの端部を挟んで固定することにより、ワイヤロープの端部を折り曲げることなくウインチドラムに容易に固定させることができる。さらに、ワイヤロープ固定部材は、一対の半割ブラケットを巻胴の外周部に配置し、連結部材にて一体に連結することにより、容易に巻胴に装着することができる。   According to the winch drum of the present invention, it is possible to easily fix the winch drum to the winch drum without bending the end of the wire rope by fixing the end of the wire rope to the pair of fixing plates of the wire rope fixing member. Can do. Furthermore, the wire rope fixing member can be easily attached to the winding drum by arranging a pair of half brackets on the outer periphery of the winding drum and connecting them integrally with the connecting member.

また、位置決め片により、ワイヤロープ固定部材を、いずれか一方のフランジ部の内側に当接させて配置させることができる。さらに、巻胴の一端内周部に形成された楔状空間部に位置決め片を係合させることにより、巻胴に楔状空間部を備えた従来のウインチドラムを利用することができ、コストが嵩む虞がない。   Moreover, the wire rope fixing member can be disposed in contact with the inner side of one of the flange portions by the positioning piece. Further, by engaging the positioning piece with the wedge-shaped space formed on the inner peripheral portion of one end of the winding drum, the conventional winch drum having the wedge-shaped space on the winding drum can be used, which may increase the cost. There is no.

本発明のウインチドラムの一形態例を示す平面図である。It is a top view which shows one example of a winch drum of this invention. 同じくウインチドラムの一部断面側面図である。It is a partial cross section side view of a winch drum. 同じくウインチの分解説明図である。It is an exploded explanatory view of a winch. 同じくワイヤロープ固定部材の分解斜視図である。It is an exploded perspective view of a wire rope fixing member. 本発明のウインチドラムを適用可能な建設機械の一例を示すアースドリルの側面図である。It is a side view of the earth drill which shows an example of the construction machine which can apply the winch drum of this invention.

まず、図５は、本発明のウインチドラムを適用可能な建設機械の一例であるアースドリルを示している。このアースドリル１１は、走行装置を備えた下部走行体１２の上に上部旋回体１３を旋回可能に設けたベースマシン１４と、上部旋回体１３の前部に起伏可能に装着されたブーム１５と、上部旋回体１３の後方上部に設けられた折畳み可能なガントリ１６と、上部旋回体１３の後端部に設けられたカウンタウエイト１７と、上部旋回体１３の幅方向中央に搭載された複数のウインチ１８ａ，１８ｂ，１８ｃと、上部旋回体１３の右側前端部に設けられた運転室１９とを備えている。   First, FIG. 5 shows an earth drill as an example of a construction machine to which the winch drum of the present invention can be applied. The ground drill 11 includes a base machine 14 in which an upper swing body 13 is turnably provided on a lower travel body 12 provided with a travel device, and a boom 15 that is mounted on the front portion of the upper swing body 13 so as to be raised and lowered. A foldable gantry 16 provided at the upper rear part of the upper swing body 13, a counterweight 17 provided at the rear end of the upper swing body 13, and a plurality of mounted in the center in the width direction of the upper swing body 13. The winch 18a, 18b, 18c and the cab 19 provided in the right front end part of the upper turning body 13 are provided.

前記ブーム１５の前方には、アースドリル用の機器として、複数のアーム２１ａ及びシリンダ２１ｂを介してケリーバ駆動装置２１が保持され、ブーム１５の上端に設けられたトップシーブ２２から垂下する主巻ロープ２３ａには、ケリーバ駆動装置２１を貫通したケリーバ２４が垂下されており、ケリーバ２４の下端には、掘削バケットや拡底バケット２５が取り付けられている。さらに、トップシーブ２２からは補巻ロープ２３ｂが垂下しており、ブーム１５の後部側には、ペンダントロープ２６を介して起伏ロープ２３ｃが連結されている。   In front of the boom 15, a kelly bar driving device 21 is held as a ground drill device via a plurality of arms 21 a and a cylinder 21 b, and a main winding rope hanging from a top sheave 22 provided at the upper end of the boom 15. A kelly bar 24 penetrating the kelly bar driving device 21 is suspended from 23 a, and an excavation bucket and a bottom expansion bucket 25 are attached to the lower end of the kelly bar 24. Further, a supplementary rope 23 b is suspended from the top sheave 22, and a hoisting rope 23 c is connected to the rear side of the boom 15 via a pendant rope 26.

前記主巻ロープ２３ａ、補巻ロープ２３ｂ及び起伏ロープ２３ｃは、前記ウインチ１８ａ，１８ｂ，１８ｃにそれぞれ巻回されており、掘削作業は、ケリーバ駆動装置２１によりケリーバ２４を介して掘削バケットや拡底バケット２５を回転させながら、第１のウインチ１８ａを操作して主巻ロープ２３ａにより、ケリーバ２４を介して掘削バケットや拡底バケット２５を昇降させることで行われる。したがって、主巻ロープ２３ａには、掘削した土砂を取り込んだ掘削バケットや拡底バケットを上昇させる際に、大きな荷重が作用し、第１のウインチ１８ａは、高負荷での使用状態となる。   The main winding rope 23a, the auxiliary winding rope 23b, and the hoisting rope 23c are wound around the winches 18a, 18b, and 18c, respectively, and excavation work is carried out by the kelly bar driving device 21 via the kelly bar 24 and the excavation bucket or the bottom expansion bucket. While rotating 25, the first winch 18a is operated and the main winding rope 23a is used to raise and lower the excavation bucket and the bottom expansion bucket 25 via the kelly bar 24. Therefore, a large load acts on the main winding rope 23a when raising the excavation bucket or the bottom expansion bucket that has taken the excavated earth and sand, and the first winch 18a is in a use state under a high load.

図１乃至図４は、前述のように高負荷で使用されるアースドリルの第１のウインチ１８ａに用いるウインチドラムとして適した構造を有する本発明のウインチドラムの一形態例を示している。本形態例に示すウインチドラム３１は、基本的に従来のウインチドラムと同様に形成されており、外周面に第１層のワイヤロープを整列させるためのロープ溝３２を螺旋状に設けた円筒状の巻胴３３と、該巻胴３３の両端部にそれぞれ設けられた一対のフランジ部３４，３５と、ワイヤロープ３６の端部を固定するワイヤロープ固定部材３７とを備えている。また、一方のフランジ部３４の内側となる巻胴３３の一端内周部には、対向する周壁に向けて、漸次、浅底となる楔状空間部３３ａが形成されている。   1 to 4 show an embodiment of the winch drum of the present invention having a structure suitable as a winch drum for use in the first winch 18a of the earth drill used at a high load as described above. The winch drum 31 shown in the present embodiment is basically formed in the same manner as a conventional winch drum, and has a cylindrical shape in which a rope groove 32 for aligning the first layer wire ropes is spirally provided on the outer peripheral surface. , A pair of flange portions 34 and 35 provided at both ends of the winding drum 33, and a wire rope fixing member 37 for fixing the end of the wire rope 36. In addition, a wedge-shaped space portion 33a that gradually becomes a shallow bottom is formed in the inner peripheral portion of one end of the winding drum 33 that is inside the one flange portion 34 toward the opposing peripheral walls.

ワイヤロープ固定部材３７は、巻胴３３の外周部を囲繞する半円状に２分割された一対の半割ブラケット３７ａ，３７ｂを複数のボルト３８（本発明の連結部材）で連結して形成されている。一方の半割ブラケット３７ａには、ワイヤロープ挿入溝３７ｃをそれぞれ備えた一対の固定板３７ｄ，３７ｄが設けられている。一方の固定板３７ｄは、予め一方の半割ブラケット３７ａに取り付けられており、ワイヤロープ３６の端部を一方の固定板３７ｄのワイヤロープ挿入溝３７ｃに挿入した後、他方の固定板３７ｄを一方の固定板３７ｄの上部に配置し、一方の固定板３７ｄのワイヤロープ挿入溝３７ｃから突出したワイヤロープ３６に、他方の固定板３７ｄのワイヤロープ挿入溝３７ｃを被せて複数のビス３９で、他方の固定板３７ｄを一方の固定板３７ｄに固着することにより、ワイヤロープ３６が固定板３７ｄ，３７ｄに挟まれて固定される。なお、各固定板３７ｄに形成されるワイヤロープ挿入溝３７ｃは、固定板３７ｄ，３７ｄをビス３９で固着したときに、ワイヤロープ３６を挟着できる腕曲面でそれぞれ形成されている。   The wire rope fixing member 37 is formed by connecting a pair of half-split brackets 37a and 37b, which are divided into two half-circles surrounding the outer periphery of the winding drum 33, with a plurality of bolts 38 (the connecting member of the present invention). ing. One half bracket 37a is provided with a pair of fixing plates 37d and 37d each having a wire rope insertion groove 37c. One fixing plate 37d is attached to one half bracket 37a in advance, and after inserting the end portion of the wire rope 36 into the wire rope insertion groove 37c of one fixing plate 37d, the other fixing plate 37d is attached to one side. The wire rope 36 disposed on the upper side of the fixing plate 37d and protruding from the wire rope insertion groove 37c of one fixing plate 37d is covered with the wire rope insertion groove 37c of the other fixing plate 37d, and a plurality of screws 39, the other By fixing the fixed plate 37d to one fixed plate 37d, the wire rope 36 is sandwiched and fixed between the fixed plates 37d and 37d. The wire rope insertion groove 37c formed in each fixing plate 37d is formed by an arm curved surface that can sandwich the wire rope 36 when the fixing plates 37d and 37d are fixed by screws 39.

さらに、一方の半割ブラケット３７ａには、ウインチドラム３１に形成された楔状空間部３３ａに係合される楔形状の位置決め片３７ｅが設けられている。位置決め片３７ｅの先端部にはピン孔３７ｆが形成されるとともに、他方の半割ブラケット３７ｂには、ピン孔３７ｆと同軸のピン挿通孔３７ｇを備えた連結ボス部３７ｈが設けられ、ピン挿通孔３７ｇとピン孔３７ｆとに連結ピン４０を挿通し、該連結ピン４０をネジ４１によって連結ボス部３７ｈに固定することにより、位置決め片３７ｅの先端部と他方の半割ブラケット３７ｂとが連結される。   Further, the one half bracket 37a is provided with a wedge-shaped positioning piece 37e that is engaged with a wedge-shaped space 33a formed in the winch drum 31. A pin hole 37f is formed at the distal end of the positioning piece 37e, and a connecting boss portion 37h having a pin insertion hole 37g coaxial with the pin hole 37f is provided in the other half bracket 37b. The connecting pin 40 is inserted into the pin 37g and the pin hole 37f, and the connecting pin 40 is fixed to the connecting boss portion 37h with a screw 41, whereby the tip end of the positioning piece 37e and the other half bracket 37b are connected. .

上述のように形成されたワイヤロープ固定部材３７は、ワイヤロープ３６の端部を、固定板３７ｄ，３７ｄで挟着することにより、ワイヤロープ３６を巻胴３３に容易に固定させることができる。また、一対の半割ブラケット３７ａ，３７ｂを巻胴３３の外周部に配置し、複数のボルト３８で連結することにより、ワイヤロープ固定部材３７を巻胴３３に簡単に装着することができる。また、一方の半割ブラケット３７ａに設けられた位置決め片３７ｅを、巻胴３３の一端内周部に形成された楔状空間部３３ａに係合させ、さらに、位置決め片３７ｅの先端部を、連結ピン４０を介して他方の半割ブラケット３７ｂに連結させることにより、ワイヤロープ固定部材３７を、一方のフランジ部３４の内側に当接させ、回り止めされた状態で固定させることができる。   The wire rope fixing member 37 formed as described above can easily fix the wire rope 36 to the winding drum 33 by sandwiching the end portion of the wire rope 36 with the fixing plates 37d and 37d. Further, the wire rope fixing member 37 can be easily attached to the winding drum 33 by arranging the pair of half brackets 37 a and 37 b on the outer periphery of the winding drum 33 and connecting them with a plurality of bolts 38. Further, a positioning piece 37e provided on one half bracket 37a is engaged with a wedge-shaped space 33a formed at one inner peripheral portion of the winding drum 33, and the tip of the positioning piece 37e is connected to a connecting pin. By connecting to the other half bracket 37b via 40, the wire rope fixing member 37 can be brought into contact with the inside of the one flange portion 34 and fixed in a state of being prevented from rotating.

このように、本形態例では、ワイヤロープ３６の基端部を折り返すことなく固定板３７ｄ，３７ｄに挟着させるだけでよいことから、ワイヤロープ３６の固定に手間が掛からず、大きな荷重が作用する径の太いワイヤロープであっても容易に固定することができる。また、ウインチドラム３１の巻胴３３にワイヤロープ固定部材３７を容易に取り付けることができ、さらに、フランジ部３４にワイヤロープ３６の挿通孔を形成することなくワイヤロープ固定部材３７にワイヤロープ３６を基端部を固定させることができる。また、位置決め片３７ｅと楔状空間部３３ａとの係合によって、ワイヤロープ固定部材３７を、一方のフランジ部３４の内側に当接させた状態で固定することができるので、ワイヤロープ３６を巻胴３３の一端側から確実に巻胴３３に巻き取らせることができる。さらに、楔状空間部を備えた従来のウインチドラムをそのまま利用することができるので、コストの削減化を図ることができる。   As described above, in this embodiment, since it is only necessary to clamp the wire rope 36 on the fixing plates 37d and 37d without folding back the base end portion, it takes no effort to fix the wire rope 36, and a large load acts. Even a wire rope having a large diameter can be easily fixed. In addition, the wire rope fixing member 37 can be easily attached to the winding drum 33 of the winch drum 31, and the wire rope 36 can be attached to the wire rope fixing member 37 without forming the insertion hole of the wire rope 36 in the flange portion 34. The proximal end can be fixed. Further, the wire rope fixing member 37 can be fixed in contact with the inner side of the one flange portion 34 by the engagement between the positioning piece 37e and the wedge-shaped space portion 33a. The winding drum 33 can be reliably wound from one end side of the 33. Furthermore, since the conventional winch drum provided with the wedge-shaped space portion can be used as it is, the cost can be reduced.

なお、上述の形態例に限るものではなく、位置決め片は、一対の半割ブラケットのどちら側に設けても差し支えない。さらに、本発明のウインチドラムは、前記アースドリルに限らず、杭打機やクレーンなど、ウインチを搭載した各種建設機械の各種ウインチに適用可能であり、さらに、単独で使用されるウインチや、ロープ状物を巻き取る各種機器にも適用可能である。   Note that the present invention is not limited to the above-described embodiment, and the positioning piece may be provided on either side of the pair of half brackets. Furthermore, the winch drum of the present invention is not limited to the earth drill, but can be applied to various winches of various construction machines equipped with winches such as pile driving machines and cranes. The present invention can also be applied to various devices that wind up the object.

１１…アースドリル、１２…下部走行体、１３…上部旋回体、１４…ベースマシン、１５…ブーム、１６…ガントリ、１７…カウンタウエイト、１８ａ，１８ｂ，１８ｃ…ウインチ、１９…運転室、２１…ケリーバ駆動装置、２１ａ…アーム、２１ｂ…シリンダ、２２…トップシーブ、２３ａ…主巻ロープ、２３ｂ…補巻ロープ、２３ｃ…起伏ロープ、２４…ケリーバ、２５…拡底バケット、２６…ペンダントロープ、３１…ウインチドラム、３２…ロープ溝、３３…巻胴、３３ａ…楔状空間部、３４，３５…フランジ部、３６…ワイヤロープ、３７…ワイヤロープ固定部材、３７ａ，３７ｂ…半割体ブラケット、３７ｃ…ワイヤロープ挿入溝、３７ｄ…固定板、３７ｅ…位置決め片、３７ｆ…ピン孔、３７ｇ…ピン挿通孔、３７ｈ…連結ボス部、３８…ボルト、３９…ビス、４０…連結ピン、４１…ネジ DESCRIPTION OF SYMBOLS 11 ... Earth drill, 12 ... Lower traveling body, 13 ... Upper turning body, 14 ... Base machine, 15 ... Boom, 16 ... Gantry, 17 ... Counterweight, 18a, 18b, 18c ... Winch, 19 ... Driver's cab, 21 ... Kelever drive device, 21a ... arm, 21b ... cylinder, 22 ... top sheave, 23a ... main winding rope, 23b ... auxiliary winding rope, 23c ... hoisting rope, 24 ... kellyba, 25 ... widened bucket, 26 ... pendant rope, 31 ... Winch drum, 32 ... rope groove, 33 ... winding drum, 33a ... wedge-shaped space part, 34, 35 ... flange part, 36 ... wire rope, 37 ... wire rope fixing member, 37a, 37b ... halved bracket, 37c ... wire Rope insertion groove, 37d ... fixing plate, 37e ... positioning piece, 37f ... pin hole, 37g ... pin insertion hole, 37h ... connecting bolt Parts, 38 ... bolt, 39 ... screw, 40 ... connection pin, 41 ... thread

Claims (1)

外周部でワイヤロープを巻き取り、一端内周部に楔状空間部を備えた円筒状の巻胴と、該巻胴の両端部に設けられたフランジ部と、ワイヤロープの端部を固定するワイヤロープ固定部材とを備えたウインチドラムにおいて、前記ワイヤロープ固定部材は、前記巻胴の外周部を囲繞する半円状に２分割された一対の半割ブラケットを、連結部材にて一体に連結して前記フランジ部の内側に配設され、いずれか一方の半割ブラケットに、前記ワイヤロープの端部を挟んで固定する一対の固定板を設けるとともに、いずれか一方の前記半割ブラケットに、前記楔状空間部に係合する位置決め片を設けたことを特徴とするウインチドラム。   The wire rope is wound around the outer peripheral portion, the cylindrical winding drum provided with a wedge-shaped space portion at one inner peripheral portion, the flange portions provided at both ends of the winding drum, and the wire for fixing the end portion of the wire rope In the winch drum having a rope fixing member, the wire rope fixing member is formed by integrally connecting a pair of half brackets divided into two semicircles surrounding the outer periphery of the winding drum by a connecting member. A pair of fixing plates that are disposed on the inner side of the flange portion and fixed to either one of the half brackets with the end portion of the wire rope interposed therebetween, and one of the half brackets includes the A winch drum provided with a positioning piece for engaging with a wedge-shaped space.
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Publication number Priority date Publication date Assignee Title
CN107265196A (en) * 2017-06-07 2017-10-20 广东运峰电力安装有限公司 A kind of locking device of rope tail end
KR102115589B1 (en) * 2018-11-20 2020-05-26 주식회사현대호이스트 Winch rope tention device

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JP2011050194A (en) * 2009-08-27 2011-03-10 Tlc:Kk Reel winder having electric wire taking-up ability, and electric wire re-stretching or removing method using the same

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107265196A (en) * 2017-06-07 2017-10-20 广东运峰电力安装有限公司 A kind of locking device of rope tail end
KR102115589B1 (en) * 2018-11-20 2020-05-26 주식회사현대호이스트 Winch rope tention device

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